Epson 24-PIN DOT MATRIX PRINTER LQ-570+ - Manual (Page 32)

5. To stop the self test, press the PAUSE button (you can resume
the self test by pressing the PAUSE button again).
6. Press the LOAD/EJECT button to eject the paper from the
printer and then turn the printer off.
If test are not see Chapter 6.
Roman
Connecting the Printer to Your Computer
If the self test you are ready to your
printer to the computer. Use a shielded twisted-pair
cable to your the print&s built-in
interface.
Connect the parallel interface cable as
1-12 Setting Up the Printer